File:SMAP instrument layout wih labels (numbers).png

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SMAP instrument layout wih labels (numbers)

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Description	English: SMAP carries a radar and a radiometer that together will make measurements of soil moisture and freeze/thaw state of all non-liquid water surfaces on Earth. The radar and radiometer share a single feedhorn and reflector. The deployable mesh reflector is offset from nadir and rotates about the nadir axis at 14.6 rpm, providing a conically scanning antenna beam with a surface incidence angle of 40°. The 6 m (20 foot) antenna is made of gold-coated mesh. The gold-colored feedhorn sends out radar pings and receives radar returns. It also collects microwave emission from the same points Earth’s surface for the radiometer. Français : Schéma du satellite. 1 : réflecteur parabolique de 6 mètres de diamètre - 2 : Cornet d'alimentation du réflecteur - 3 : Panneaux solaires - 4 : Antennes radio en bande S et X - 5 : Plateforme du satellite - 6 : Mécanisme rotatif du réflecteur - 7 : Mat supportant le réflecteur (en position dépliée).
Date	3 February 2015
Source	https://smap.jpl.nasa.gov/resources/66/smap-instrument-labeled/
Author	NASA

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